/*
 * Seldon -- open source prediction engine
 * =======================================
 * Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/)
 *
 **********************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at       
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ********************************************************************************************** 
*/
package io.seldon.importer.articles.dynamicextractors;

import java.lang.reflect.Constructor;

import org.jsoup.nodes.Document;


public abstract class DynamicExtractor {

	public abstract String extract(AttributeDetail attributeDetail, String url, Document articleDoc) throws Exception;

    public static DynamicExtractor build(String extractorType) throws Exception {
        String className = "io.seldon.importer.articles.dynamicextractors."+extractorType+"DynamicExtractor";
        Class<?> clazz = Class.forName(className);
        Constructor<?> ctor = clazz.getConstructor();
        DynamicExtractor extractor = (DynamicExtractor) ctor.newInstance();
        return extractor;
    }

}
